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4 years ago

What is this answer

Mathematics

1 answer:

Radda [10]4 years ago

4 0

use the distance formula

$\sqrt{(x2-w1)^{2} +(y2-y1) ^{2} }$

You ll need to do it t times:

x1 y1 x2 y2

(-1, 5) (4, 2) = (-1, 5) (4, 2)

(4, 2) (0,0)

(0,0) (5,5)

(5,5) (-1, 5)

then add all your results

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What is the sum of the first 5 terms of geometric series with a1=10 and r=1/5

steposvetlana [31]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=10\\
n=5\\
r=\frac{1}{5}
\end{cases}$

$\bf S_5=10\left( \cfrac{1-\left( \frac{1}{5} \right)^5}{1-\frac{1}{5}} \right)\implies S_5=10\left( \cfrac{1-\frac{1}{3125}}{\frac{4}{5}} \right)
\\\\\\
S_5=10\left( \cfrac{\frac{3124}{3125}}{\frac{4}{5}} \right)\implies S_5=10\cdot \cfrac{781}{625}\implies S_5=\cfrac{1562}{125}$

7 0

3 years ago

Express sin U as a fraction in simplest terms.<br> S<br> 12<br> 13<br> 5<br> U

Kisachek [45]

Answer:

12/13

Sine is opposite over hypotenuse. The opposite side of U is 12 and the hypotenuse is 13, so the answer is 12/13

7 0

3 years ago

PLEASE HELP THIS IS DUE TODAY

Neporo4naja [7]

The Mean Absolute Deviation is commonly known as MAD. The correct statement about the situation is D.

<h3>What is the Mean Absolute Deviation?</h3>

The Mean Absolute Deviation, commonly known as MAD is the average of the difference between the mean and the data points, it can also be referred to as the average of the deviations of the data points from the mean.

Given Two months ago, the mean daily rainfall in a local city was 9.4 cm. The mean absolute deviation was 3.5 cm. Last month, the mean daily rainfall in that city was 11.5 cm, and the mean absolute deviation was 1.6 cm.

As it is known that more MAD for data points means more deviation of the data points from the mean, while it is vice versa if it is less. Therefore, we can conclude Last month, the amount of rain that fell each day varied less than the month before.

Hence, the correct statement about the situation is D.

Learn more about the Mean Absolute Deviation:

https://brainly.in/question/8755707

#SPJ1

5 0

2 years ago

A small town experienced an explosive population increase Originally the town had population 170 within 3 years the town's popul

Lunna [17]

Answer:

Step-by-step explanation:

We need to first find out how much 400% of 170 is and then add that increase to the original 170 people.

4(170) = 680 and

680 + 170 = 850 people after 3 years.

3 0

3 years ago

Find the interquartile range (IQR) of the data in the box plot below.

den301095 [7]

Answer:

IQR=0.2

Step-by-step explanation:

0.8-0.6=0.2

5 0

3 years ago

Read 2 more answers